Question: Which is the {constitutional republic} with the {MAX(Gini coefficient)} whom {diplomatic relation} is {Russia} ?
Paraphrase: What constitutional republic who has a diplomatic relation with Russia has the MAX Gini coefficient?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q1520223 . ?ent wdt:P1125 ?obj . ?ent wdt:P530 wd:Q159 } ORDER BY DESC(?obj)LIMIT 5 
Answer: United States of America, United States of America, South Korea